Patents by Inventor Hiroaki Yamamoto

Hiroaki Yamamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8390856
    Abstract: An image forming apparatus includes: a communication unit that receives a request that requests a reply and includes a source of the request and a destination of the request; and a controller that returns from a low electric power condition after moving into the low electric power condition of which the power consumption is low, and that controls the communication unit, wherein when the controller is in the low electric power condition, the communication unit returns the reply to the request received and detects a duplication between an identification information that identifies the source and an identification information that identifies the destination based on the request.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: March 5, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuichi Kawata, Masakazu Kawashita, Yoshifumi Bando, Keita Sakakura, Masahiko Kikuchi, Hiroaki Yamamoto
  • Publication number: 20130053646
    Abstract: The endoscope diagnostic apparatus includes a light source emitting white light and two or more kinds of excited light with different center wavelengths for emitting two or more kinds of self-fluorescence from a self-fluorescent material, an imaging unit which receives reflected light of white light to image a normal light image, and receives self-fluorescence emitted from the self-fluorescent material to image self-fluorescent images, and a light source control unit which has compensation coefficients for preventing emission intensity from being lowered depending on the volume of blood when the two or more kinds of excited light are absorbed by blood, and compensates the ratios of emission intensity of the two or more kinds of excited light using the calculated compensation coefficients so as to exclude the influence of absorption of light by blood in each of the two or more kinds of excited light.
    Type: Application
    Filed: August 28, 2012
    Publication date: February 28, 2013
    Inventor: Hiroaki YAMAMOTO
  • Publication number: 20130053703
    Abstract: An endoscopic diagnosis system includes a light source unit for emitting green and red light, blue and green light, or white light and excitation light having different central wavelengths for causing an autofluorescent substance to emit autofluorescence, an imaging unit for receiving reflected light from the observation region to acquire a reflected light image when the observation region is illuminated with the illumination light emitted, and receiving autofluorescence that is emitted from the autofluorescent substance, absorbed by blood, and decreases according to the amount of the blood to acquire an autofluorescence image when the observation region is irradiated with the excitation light emitted, and an image correction unit for correcting the autofluorescence image based on the reflected light image.
    Type: Application
    Filed: July 30, 2012
    Publication date: February 28, 2013
    Inventors: Hiroaki Yamamoto, Takaaki Saito, Hiroshi Yamaguchi
  • Publication number: 20120327440
    Abstract: A program executing apparatus, includes : a nonvolatile memory that stores a program for activating an equipment and a variable used in the program and sustains the stored program and the variable even though power is not supplied, the program and the variable being able to be read out and written into the nonvolatile memory; and an executing unit that transmits the program and the variable to the nonvolatile memory when the activation of the equipment is instructed at an initial status where the program and the variable are not stored in the nonvolatile memory, and successively executes the program using the variable stored in the nonvolatile memory, and, when the activation of the equipment is re-instructed, executes the program using the variable stored in the nonvolatile memory.
    Type: Application
    Filed: November 14, 2011
    Publication date: December 27, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tadashi HATA, Masayoshi KIKUTA, Tadamasa SAKAMAKI, Shunsuke KASAHARA, Binhui LIU, Terutake HAYASHI, Hiroaki YAMAMOTO, Masakazu KAWASHITA, Hideki YAMASAKI, Yoshifumi BANDO, Yuji MURATA, Shinho IKEDA
  • Publication number: 20120331236
    Abstract: A data processing apparatus includes an operation unit, a writable and readable volatile register, a writable and readable nonvolatile memory, first and second writing units and a write-back unit. The operation unit performs an arithmetic operation and a logical operation. The writable and readable volatile register stores data used in the operations performed by the operation unit. The writable and readable nonvolatile memory stores the data in parallel with the volatile register. The data stored in the nonvolatile memory is the data stored in the volatile register. The first writing unit writes the data in the volatile register. The second writing unit writes the data in the nonvolatile memory in parallel with the first writing unit every time the data is written in the volatile register. The write-back unit writes back the data stored in the nonvolatile memory to the volatile register when a power supply is turned on.
    Type: Application
    Filed: November 2, 2011
    Publication date: December 27, 2012
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masayoshi KIKUTA, Binhui LIU, Tadashi HATA, Shunsuke KASAHARA, Terutake HAYASHI, Hiroaki YAMAMOTO, Masakazu KAWASHITA, Hideki YAMASAKI, Yoshifumi BANDO, Yuji MURATA, Shinho IKEDA, Tadamasa SAKAMAKI
  • Publication number: 20120324182
    Abstract: A storage device 110 includes: a data writing part 111 configured to store data to be written into a storage device 120 and also, when storing other data of the same content as the data already stored in the storage device into the storage device, refer to the data already stored in the storage device as the other data; and a data separating part 112 configured to separate data to be written into a user data portion and a management data portion that are classified in accordance with a previously set criterion. The data writing part 111 is configured to store the user data portion into a user data file 121, store the management data portion into a management data file 122, and store the user data portion and the management data portion separated by the data separating part 112 into the storage device 120.
    Type: Application
    Filed: December 10, 2010
    Publication date: December 20, 2012
    Applicants: NEC SOFTWARE TOHOKU, LTD., NEC CORPORATION
    Inventors: Hiroaki Yamamoto, Takatoshi Sato, Masanori Tsuda
  • Publication number: 20120304809
    Abstract: [Problem to be Solved] To provide a balancer that can correct dynamic imbalance in rotatable bodies such as machine tools. The correction for low-speed rotation is possible to the same extent as that for high-speed rotation. [Solution to Problem] The balancer, attachable via its attaching portion to a rotatable body, and rotatable together therewith about its rotation axis, includes: weights of same mass and shape; and a weight holder with storage chambers for housing the weights, respectively, such that the weights can oscillate in arbitrary directions. The weight is shaped similar to and smaller than the chamber. The chamber is a cylindrical space extending alongside its central axis; and has concave curved ends perpendicular to the central axis.
    Type: Application
    Filed: October 4, 2010
    Publication date: December 6, 2012
    Inventor: Hiroaki Yamamoto
  • Publication number: 20120276606
    Abstract: An objective of the present invention is to provide recombinant microorganisms efficiently producing optically active 1,3-butanediol, which is useful as a material for synthesizing pharmaceuticals and such, and provide methods for efficiently producing optically active 1,3-butanediol using the recombinant microorganisms. As a result of dedicated research for achieving the above objective, the present inventors succeeded in producing recombinant microorganisms in which the activity of an enzyme catalyzing the reduction reaction represented by Formula 1 is enhanced and which produce a diol compound represented by Formula 2.
    Type: Application
    Filed: October 29, 2010
    Publication date: November 1, 2012
    Applicant: Daicel Corporation
    Inventors: Tomohito Okabayashi, Takanori Nakajima, Hiroaki Yamamoto
  • Publication number: 20120259174
    Abstract: An endoscopic diagnosis system includes a light source for simultaneously emitting at least two excitation light having different central wavelengths for exciting at least two autofluorescent substances to generate autofluorescence containing first autofluorescence whose intensity is strong in a lesion and weak in a normal region and second autofluorescence whose intensity is strong in a normal region and weak in a lesion, color filters having spectral transmission characteristics that block the excitation light and transmit the autofluorescence, image sensor for imaging autofluorescence generated from first and second autofluorescent substances contained in a subject's region under observation and dispersed by color filters to acquire first and second autofluorescence images as the at least two excitation light illuminate the region under observation, and an image sensor for image-processing and displaying the first and second fluorescence images.
    Type: Application
    Filed: April 10, 2012
    Publication date: October 11, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Hiroaki YAMAMOTO
  • Publication number: 20120257133
    Abstract: A manufacturing method of liquid crystal display device is provided that can increase manufacturing yield by reducing the number of layers and manufacturing costs and by preventing backlight lamp failure. In the manufacturing method of the device, a semiconductor layer 4 and a pixel electrode 5 are formed on a gate insulating film 3. Subsequently, a drain electrode electrically interconnecting the semiconductor layer 4 and the pixel electrode 5 of the pixel region A is formed by overlaying a flat solid conductive film on the substrate, followed by removing the conductive film with the use of a photoresist pattern as a mask, while exposing the semiconductor layer 4 at the pixel region A and the adjacent area C. The semiconductor layer 4 at the pixel region A is etched by using, as an index, an etching amount of the semiconductor layer 4 at the adjacent area.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 11, 2012
    Inventors: Kenji Tsuchiya, Eisaku Hazawa, Hiroaki Yamamoto
  • Publication number: 20120255461
    Abstract: The present invention provides an ethyl-2-cyanoacrylate adhesive composition obtained as a result of significant improvement on conventional problems, that is, irritating odor and whitening of conventional ethyl-2-cyanoacrylate adhesive compositions. According to a method of the present invention for purifying an ethyl-2-cyanoacrylate adhesive composition, a sum total of an acrylonitrile content and an ethanol content is arranged to be in a range of 1 ppm to 150 ppm, by carrying out deaeration at the same time as injection of an inactive gas at a reduced pressure in a range of 100 Pa to 10000 Pa at a temperature in a range of 5° C. to 50° C. Thereby, the method of the present invention allows improving irritating odor and whitening.
    Type: Application
    Filed: November 30, 2010
    Publication date: October 11, 2012
    Applicant: TAOKA CHEMICAL CO., LTD.
    Inventors: Yukinori Nishino, Hiroaki Yamamoto, Chiaki Hata
  • Publication number: 20120232341
    Abstract: A fluid ejection device includes a fluid chamber configured to store fluid, a nozzle configured to eject the fluid stored in the fluid chamber, a fluid supply channel connected to the fluid chamber and configured to supply the fluid to the fluid chamber, an air bubbles generating member configured to generate air bubbles in the fluid chamber, and a partitioning wall portion configured to separate the fluid chamber and the fluid supply channel, support the air bubbles generating member. The partitioning wall portion include at least one hole, communicating the fluid chamber and the fluid supply channel. The hole is configured to inhibit backflow during ejection of a jet pulse.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 13, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takeshi SETO, Takayama Kazuyoshi, Nakagawa Atsuhiro, Toru Nakano, Hiroaki Yamamoto
  • Patent number: 8250272
    Abstract: An interrupt control apparatus includes: an interrupt request supply unit that supplies interrupt request information; a processing unit that performs interrupt processing based on the interrupt request information supplied by the interrupt request supply unit; and a time measuring unit that is used to measure an elapse of a predefined time period from a time point when the interrupt request supply unit starts to supply the interrupt request information, wherein: even if new interrupt cause information is stored during the time when the time measuring unit is measuring the elapse of the predefined time period, the interrupt request supply unit does not supply interrupt request information based on the new interrupt cause information to the processing unit; and after the elapsed time measured by the time measuring unit reaches the predefined time period, the interrupt request supply unit supplies the interrupt request information to the processing unit.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: August 21, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Keita Sakakura, Hiroaki Yamamoto, Yuichi Kawata, Masahiko Kikuchi, Masakazu Kawashita, Yoshifumi Bando
  • Publication number: 20120175545
    Abstract: In a valve stem connection structure of a pressure reducing valve, an insertion recess portion (72) opened toward a valve mechanism is coaxially provided in a diaphragm rod (68); a reduced diameter stem portion (30a) and a pair of enlarged diameter stem portions (30b, 30c) provided respectively on opposite sides in an axial direction of the reduced diameter stem portion (30a) and each having a diameter larger than that of the reduced diameter stem portion (30a) are provided in one end portion of the valve stem (30); a holding plate (74) formed to have a substantially U-shaped cross section while having an engaging recess portion (73) open to one side is inserted into the insertion recess portion (72) while the reduced diameter stem portion (30a) is loosely inserted into the engaging recess portion (73); and an engaging ring (78) expandable and contractable in a radial direction of the valve stem (30) is engaged with an arc-shaped first engaging groove (76) provided in an outer periphery of the holding plate (
    Type: Application
    Filed: September 10, 2010
    Publication date: July 12, 2012
    Applicant: KEIHIN CORPORATION
    Inventor: Hiroaki Yamamoto
  • Publication number: 20120165627
    Abstract: An endoscopic diagnosis system includes first and second narrowband light sources for emitting respectively first and second narrowband lights having a wavelength range different from each other, a first image sensor for receiving reflected light of the first narrowband light illuminating a subject to acquire a narrowband light image in a narrowband light observation mode, a second image sensor for receiving first autofluorescence emitted from the subject as the first narrowband light illuminates the subject to acquire a first autofluorescence image in a first autofluorescence observation mode and receiving second autofluorescence emitted from the subject as the second narrowband light illuminates the subject to acquire a second autofluorescence image in a second autofluorescence observation mode, and a light source controller for increasing emission amounts of the first and the second narrowband light in the first and the second autofluorescence observation mode.
    Type: Application
    Filed: October 27, 2011
    Publication date: June 28, 2012
    Applicant: FUJIFILM CORPORATION
    Inventor: Hiroaki YAMAMOTO
  • Patent number: 8181668
    Abstract: A pressure reducing valve for gas is provided in which a valve mechanism having opening in a central part a valve hole that communicates with a low pressure passage and a low pressure chamber and including a valve body that is capable of being seated on a valve seat facing a valve chamber communicating with a high pressure passage is housed within a body such that the valve body is connected to a pressure receiving member operating in response to pressure of the low pressure passage and the low pressure chamber, wherein the body (16) is formed by joining a plurality of body members (18, 19) having different strengths, the entirety of the high pressure passage (30, 64) being formed, among the plurality of body members (18, 19), within the body member (18) that has a high strength, and at least part of the low pressure passage (85, 86, 94, 119) and the low pressure chamber (83, 84, 116) being formed, among the plurality of body members (18, 19), within the body member (19) that has a low strength.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: May 22, 2012
    Assignee: Keihin Corporation
    Inventors: Hiroaki Yamamoto, Yoji Nakajima, Yoshio Saito, Yutaka Chiba
  • Patent number: 8164417
    Abstract: A vehicle remote control system includes an in-vehicle transmission unit which transmits an authentication-use inquiry signal and a presence-check inquiry signal; two or more mobile apparatuses, each comprising a reception unit which receives the presence-check inquiry signal and the authentication-use inquiry signal and a transmission unit which transmits to the in-vehicle apparatus a response signal to the presence-check inquiry signal and the authentication-use inquiry signal; an in-vehicle reception unit which receives the response signals transmitted from the transmission units of the two or more mobile apparatuses; and an in-vehicle operation control unit which controls an operation state of the in-vehicle apparatus when a response code in at least one of the response signals received by the in-vehicle apparatus has been compared.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: April 24, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroaki Yamamoto, Tadamasa Fukae
  • Patent number: 8138646
    Abstract: At the time of assembling an electric motor, plain bearings are installed over a worm shaft to form a shaft assembly. Then, the worm shaft together with the plain bearings is inserted into a gear housing in an inserting direction, which is generally parallel to an axial direction of the worm shaft, such that each of the plain bearings is press fitted into a corresponding installation part of the housing.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: March 20, 2012
    Assignee: ASMO Co., Ltd.
    Inventors: Nakatsune Shirai, Hidenori Ishihara, Tomoki Yamashita, Hiroaki Yamamoto, Katsumi Endo
  • Patent number: 8127898
    Abstract: A brake device arranged between a drive shaft and a driven shaft arranged coaxially with the drive shaft is disclosed. The brake device includes a first rotor, a second rotor, an engagement member, a braking mechanism, and a cam mechanism. The braking mechanism includes a movable friction member rotatable integrally with the second rotor, a fixed friction portion, and an urging member that urges the movable friction member toward the fixed friction portion. When rotational force is provided from the drive shaft to the first rotor, the cam mechanism permits transmission of rotation of the drive shaft to the driven shaft. When the rotational force is provided from the driven shaft to the second rotor, the cam mechanism restricts rotation of the driven shaft. The cam mechanism is provided independently from the engagement member.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: March 6, 2012
    Assignee: Asmo Co., Ltd.
    Inventors: Hiroaki Yamamoto, Katsuhiko Torii, Hidenori Ishihara, Tomoki Yamashita, Nakatsune Shirai, Katsumi Endo
  • Publication number: 20120012200
    Abstract: In a decompression valve, a valve mechanism housed in a body has a valve body that can be seated on a valve seat facing a valve chamber into which high pressure fluid is introduced, and a valve shaft that has one end linked to a pressure receiving member operable in association with pressure of a decompression chamber communicating with a valve hole surrounded by the valve seat and that extends through the valve hole while having the other end facing a back pressure chamber communicating with the decompression chamber, and the valve body is fitted around the outer periphery of the valve shaft.
    Type: Application
    Filed: February 10, 2010
    Publication date: January 19, 2012
    Applicant: KEIHIN COPORATION
    Inventor: Hiroaki Yamamoto